Change your opinions, keep to your principles; change your leaves, keep intact your roots.
It is by suffering that human beings become angels.
A republic may be called the climate of civilization.
During a wise man's whole life, his destiny holds his philosophy in a state of siege.
To love or have loved is all-sufficing. We must not ask for more. No other pearl is to be found in the shadowfolds of life. To love is an accomplishment.
The beautiful is as useful as the useful." He added after a moment’s silence, "Perhaps more so.